<template>
  <div class="building-container">
    <div class="search-container">
      <div class="search-label">企业名称</div>
      <el-input v-model="params.name" clearable placeholder="请输入内容" class="search-main" @keyup.enter="doSearch" />
      <el-button type="primary" @click="doSearch">查询</el-button>
      <el-button type="primary" @click="$router.push('/enterpriseAdd')">添加企业</el-button>
    </div>
    <!-- 表格区域 -->
    <div class="table">
      <el-table style="width: 100%" :data="exterpriseList" @expand-change="expandHandle">
        <el-table-column type="expand">
          <template #default="{ row }">
            <el-table :data="row.rentList">
              <el-table-column label="租赁楼宇" width="320" prop="buildingName" />
              <el-table-column label="租赁起始时间" prop="startTime" />
              <el-table-column label="合同状态" prop="status">
                <template #default="scope">
                  <el-tag :type="formatInfoType(scope.row.status)">
                    {{ formatStatus(scope.row.status) }}
                  </el-tag>
                </template>
              </el-table-column>
              <el-table-column label="操作" width="180">
                <template #default="scope">
                  <el-button
                    size="mini"
                    type="text"
                    :disabled="scope.row.status === 3"
                    @click="outRent(scope.row.id)"
                  >退租</el-button>
                  <el-button size="mini" type="text" :disabled="!(scope.row.status === 3)">删除</el-button>

                  <el-button size="mini" type="text">续租</el-button>
                  <el-button size="mini" type="text" @click="outRent(scope.row.id)">退租</el-button>
                  <el-button size="mini" type="text">删除</el-button>
                </template>
              </el-table-column>
            </el-table>
          </template>
        </el-table-column>
        <el-table-column type="index" label="序号" />
        <el-table-column label="企业名称" width="320" prop="name" />
        <el-table-column label="联系人" prop="contact" />
        <el-table-column label="联系电话" prop="contactNumber" />
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button size="mini" type="text" @click="addContract(scope.row.id)">添加合同</el-button>
            <el-button size="mini" type="text" @click="$router.push(`/exterpriseDetail?id=${scope.row.id}`)">查看</el-button>
            <el-button size="mini" type="text" @click="editEnterprise(scope.row.id)">编辑</el-button>
            <el-button size="mini" type="text" @click="delExterprise(scope.row.id)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
    </div>
    <el-pagination
      layout="total, prev, pager, next"
      :total="total"
      :page-size="params.pageSize"
      @current-change="pageChange"
    />
    <el-dialog title="添加合同" :visible.sync="rentDialogVisible" width="580px" @close="closeDialog">
      <!-- 表单区域 -->
      <div class="form-container">
        <el-form ref="addForm" :model="rentForm" :rules="rentRules" label-position="top">
          <el-form-item label="租赁楼宇" prop="buildingId">
            <el-select v-model="rentForm.buildingId" placeholder="请选择">
              <el-option
                v-for="item in buildList"
                :key="item.id"
                :label="item.name"
                :value="item.id"
              />
            </el-select>
          </el-form-item>
          <el-form-item label="租赁起止日期" prop="rentTime">
            <el-date-picker
              v-model="rentForm.rentTime"
              type="daterange"
              range-separator="至"
              start-placeholder="开始日期"
              end-placeholder="结束日期"
              value-format="yyyy-MM-dd"
            />
          </el-form-item>
          <el-form-item label="租赁合同" prop="contractId">
            <el-upload
              action="#"
              :http-request="uploadHandle"
              :before-upload="beforeUpload"
              :file-list="contractList"
            >
              <el-button size="small" type="primary" plain>上传合同文件</el-button>
              <div slot="tip" class="el-upload__tip">支持扩展名：.doc .pdf, 文件大小不超过5M</div>
            </el-upload>
          </el-form-item>
          <el-form-item>
            <el-button size="mini" type="primary" @click="confirmAdd">确 定</el-button>
          </el-form-item>
        </el-form>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { getEnterpriseListAPI, delEnterpriseAPI, getRentBuildListAPI, uploadAPI, createRentAPI, getRentListAPI, outRentAPI } from '@/api/enterprise'

export default {
  name: 'Building',
  data() {
    return {
      rentForm: {
        buildingId: null, // 楼宇id
        contractId: null, // 合同id
        contractUrl: '', // 合同Url
        enterpriseId: null, // 企业名称
        type: 0, // 合同类型
        rentTime: [] // 合同时间
      },
      rentRules: {
        buildingId: [
          { required: true, message: '请选择楼宇', trigger: 'change' }
        ],
        rentTime: [
          { required: true, message: '请选择租赁日期', trigger: 'change' }
        ],
        contractId: [
          { required: true, message: '请上传合同文件', trigger: 'change' }
        ]
      },
      contractList: [], // 合同文件列表
      buildList: [], // 楼宇列表
      rentDialogVisible: false, // 是否显示添加合同弹框
      exterpriseList: [],
      params: {
        page: 1,
        pageSize: 10,
        name: null
      },
      total: 0
    }
  },
  mounted() {
    this.getExterpriseList()
  },
  methods: {
    async getExterpriseList() {
      try {
        const res = await getEnterpriseListAPI(this.params)
        if (res.code === 10000) {
          this.exterpriseList = res.data.rows.map((item) => {
            return {
              ...item,
              rentList: [] // 每一行补充存放合同的列表
            }
          })
          this.total = res.data.total || 0
        } else {
          console.error('API Error:', res.msg)
          this.$message.error(res.msg)
        }
      } catch (error) {
        console.error('Error fetching enterprise list:', error)
        this.$message.error('获取企业列表失败，请稍后再试')
      }
    },
    pageChange(newPage) {
      this.params.page = newPage
      this.getExterpriseList()
    },
    async addContract(id) {
      this.rentDialogVisible = true
      const res = await getRentBuildListAPI()
      this.buildList = res.data || []
      // 把企业id存入表单对象
      this.rentForm.enterpriseId = id
    },
    // 关闭弹窗
    closeDialog() {
      this.rentDialogVisible = false
    },
    viewEnterprise(id) {
      console.log('查看企业:', id)
      // 实现查看企业的逻辑
    },
    editEnterprise(id) {
      this.$router.push({
        path: '/enterpriseAdd',
        query: {
          id
        }
      })
    },
    delExterprise(id) {
      this.$confirm('确认删除该企业吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        await delEnterpriseAPI(id)
        this.getExterpriseList()
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      })
    },
    // 上传前验证
    beforeUpload(file) {
      const allowImgType = ['application/pdf', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'application/msword'].includes(file.type)
      const isLt5M = file.size / 1024 / 1024 < 5

      if (!allowImgType) {
        this.$message.error('上传合同文件只能是 .doc, .pdf 格式!')
      }
      if (!isLt5M) {
        this.$message.error('上传合同文件大小不能超过 5MB!')
      }
      return allowImgType && isLt5M
    },
    // 上传合同
    async uploadHandle(fileData) {
      const { file } = fileData
      const formData = new FormData()
      formData.append('file', file)
      formData.append('type', 'contract')

      const res = await uploadAPI(formData)
      const { id, url } = res.data
      this.rentForm.contractId = id
      this.rentForm.contractUrl = url
      this.contractList.push({ name: file.name, url: url })
      this.$refs.addForm.validateField('contractId')
      console.log('Upload Success:', res.data) // 添加日志
    },
    // 确认提交
    confirmAdd() {
      this.$refs.addForm.validate(async valid => {
        if (valid) {
          const { buildingId, contractId, contractUrl, enterpriseId, type, rentTime } = this.rentForm
          const payload = {
            buildingId,
            contractId,
            contractUrl,
            enterpriseId,
            type,
            startTime: rentTime[0],
            endTime: rentTime[1]
          }
          console.log('Request Payload:', payload) // 添加日志

          try {
            await createRentAPI(payload)
            // 更新列表
            this.getExterpriseList()
            // 关闭弹窗
            this.rentDialogVisible = false
            // 重置表单
            this.$refs.addForm.resetFields()
            this.rentForm.contractUrl = ''
            this.rentForm.contractId = ''
            this.contractList = []
            this.$message({
              type: 'success',
              message: '提交成功!'
            })
          } catch (error) {
            console.error('Submit Error:', error.response ? error.response.data : error.message)
            this.$message.error(error.response ? error.response.data.message || '提交失败' : '网络错误')
          }
        }
      })
    },
    // 查询
    doSearch() {
      this.params.page = 1 // 搜索时重置分页
      this.getExterpriseList()
    },
    // 只有展开时获取数据并绑定
    // row: 当前展开那行表格的数据对象
    // rows：当前已展开的所有行表格的数据对象的集合
    async expandHandle(row, rows) {
      const isExpend = rows.find(item => item.id === row.id)
      if (isExpend) {
        try {
          const res = await getRentListAPI(row.id)
          console.log('Rent List Data:', res.data) // 添加日志
          if (res.code === 10000) {
            row.rentList = res.data || [] // 直接赋值，避免重复数据
          } else {
            console.error('API Error:', res.msg)
            this.$message.error(res.msg)
          }
        } catch (error) {
          console.error('Error fetching rent list:', error)
          this.$message.error('获取合同列表失败，请稍后再试')
        }
      } else {
        row.rentList = []
      }
    },
    // 格式化 tag 类型
    formatInfoType(status) {
      const MAP = {
        0: 'warning',
        1: 'success',
        2: 'info',
        3: 'danger'
      }
      return MAP[status]
    },
    // 格式化 status
    formatStatus(type) {
      const TYPEMAP = {
        0: '待生效',
        1: '生效中',
        2: '已到期',
        3: '已退租'
      }
      return TYPEMAP[type]
    },
    outRent(rentId) {
      this.$confirm('确认退租吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async() => {
        // 1. 调用接口
        await outRentAPI(rentId)
        // 2. 重新拉取列表
        this.getExterpriseList()
        this.$message({
          type: 'success',
          message: '退租成功!'
        })
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    }
  }

}
</script>

<style lang="scss" scoped>
.department-container {
  padding: 10px;
}

.search-container {
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgb(237, 237, 237, .9);
  padding-bottom: 20px;

  .search-label {
    width: 100px;
  }

  .search-main {
    width: 220px;
    margin-right: 10px;
  }
}

.create-container {
  margin: 10px 0px;
}

.page-container {
  padding: 4px 0px;
  text-align: right;
}

.form-container {
  padding: 0px 80px;
}
</style>
